| /* |
| * Copyright (c) 2016, Alliance for Open Media. All rights reserved |
| * |
| * This source code is subject to the terms of the BSD 2 Clause License and |
| * the Alliance for Open Media Patent License 1.0. If the BSD 2 Clause License |
| * was not distributed with this source code in the LICENSE file, you can |
| * obtain it at www.aomedia.org/license/software. If the Alliance for Open |
| * Media Patent License 1.0 was not distributed with this source code in the |
| * PATENTS file, you can obtain it at www.aomedia.org/license/patent. |
| */ |
| |
| #ifndef AOM_AV1_COMMON_TILE_COMMON_H_ |
| #define AOM_AV1_COMMON_TILE_COMMON_H_ |
| |
| #ifdef __cplusplus |
| extern "C" { |
| #endif |
| |
| #include "config/aom_config.h" |
| #include "aom_dsp/rect.h" |
| |
| struct AV1Common; |
| struct SequenceHeader; |
| struct CommonTileParams; |
| |
| #define DEFAULT_MAX_NUM_TG 1 |
| |
| typedef struct TileInfo { |
| int mi_row_start, mi_row_end; |
| int mi_col_start, mi_col_end; |
| int tile_row; |
| int tile_col; |
| } TileInfo; |
| |
| // initializes 'tile->mi_(row|col)_(start|end)' for (row, col) based on |
| // 'cm->log2_tile_(rows|cols)' & 'cm->mi_(rows|cols)' |
| void av1_tile_init(TileInfo *tile, const struct AV1Common *cm, int row, |
| int col); |
| |
| void av1_tile_set_row(TileInfo *tile, const struct AV1Common *cm, int row); |
| void av1_tile_set_col(TileInfo *tile, const struct AV1Common *cm, int col); |
| |
| int av1_get_sb_rows_in_tile(struct AV1Common *cm, const TileInfo *tile); |
| int av1_get_sb_cols_in_tile(struct AV1Common *cm, const TileInfo *tile); |
| |
| // Return the pixel extents of the given tile |
| PixelRect av1_get_tile_rect(const TileInfo *tile_info, |
| const struct AV1Common *cm, int is_uv); |
| |
| // Define tile maximum width and area |
| // There is no maximum height since height is limited by area and width limits |
| // The minimum tile width or height is fixed at one superblock |
| #define MAX_TILE_WIDTH (4096) // Max Tile width in pixels |
| #define MAX_TILE_AREA (4096 * 2304) // Maximum tile area in pixels |
| #if CONFIG_CWG_C013 |
| #define MAX_TILE_AREA_LEVEL_7_AND_ABOVE (4096 * 4608) |
| #endif |
| |
| void av1_get_uniform_tile_size(const struct AV1Common *cm, int *w, int *h); |
| void av1_get_tile_limits(struct AV1Common *const cm); |
| void av1_calculate_tile_cols(const struct SequenceHeader *const seq_params, |
| int cm_mi_rows, int cm_mi_cols, |
| struct CommonTileParams *const tiles); |
| void av1_calculate_tile_rows(const struct SequenceHeader *const seq_params, |
| int cm_mi_rows, |
| struct CommonTileParams *const tiles); |
| |
| // Checks if the minimum tile_width requirement is satisfied |
| int av1_is_min_tile_width_satisfied(const struct AV1Common *cm); |
| |
| #ifdef __cplusplus |
| } // extern "C" |
| #endif |
| |
| #endif // AOM_AV1_COMMON_TILE_COMMON_H_ |